They have since said: "Now we have consulted with his family, we are delighted to confirm our intention to feature Sir Nicholas on a stamp as part of a commemorative set, subject to the appropriate approvals, in 2016. The details will be confirmed in due course.

"One of the purposes of Royal Mail stamps is to honour those who have made important contributions to the UK, and every year we consider hundreds of subjects for inclusion. It is clear that Sir Nicholas Winton is a worthy candidate."